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4 years ago

Find the area of a square with the sides 24feet ,27ft.18feet and 30feet

1 answer:

34kurt4 years ago

5 0

Well, this question isn't really fair, considering that those sides aren't possible to make a square since a square has 4 congruent sides.

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What is the solution of log2x + 6 8 = 3? x = −2 x = 2 x = −3 x = 3

agasfer [191]

Answer:

x = −3

Step-by-step explanation:

The equation is

log(2x + 6) + 8 = 3

We combine first subtract 8 on both sides

log(2x + 6) + 8-8 = 3 -8

log(2x + 6) = -5

The log is to base 10

Thus;

10 ⁻⁵ = 2x + 6

0.00001 = 2x + 6

2x = 0.00001 -6

2x = -5.99999

Dividing both sides by 2

x = - 2.999995

<u> ≈ - 3</u>

8 0

3 years ago

Read 2 more answers

Natalia drove to her grandmother’s house for Thanksgiving. It took her 5 hours, for a total of 225 miles. What is her average sp

Alekssandra [29.7K]

Answer:

15 miles per hour

Step-by-step explanation:

Speed = distance / time

Speed = 225/15

Speed = 15 miles per hour

8 0

3 years ago

A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is more than

PilotLPTM [1.2K]

Answer:

A) 2.58

B) 1.96

C) 1.65

Step-by-step explanation:

A hypothesis used to test that

$H_o : \mu = 10$

against the alternatives $H1 : \mu$ not equal to 10

if null hypothesis is true, then distribution of test statics follow

$Zo = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

for two sided alternatives hypothesis $( H1: \mu \neq 7)$ , then P value is

$P = 2[1- \phi(\left | Zc \right |)]$ (1)

a)significance level $\alpha = 0.01$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 2.58$ FROM Z TABLE

B) significance level $\alpha = 0.05$

from 1st equation we get

$\pi (\left | Zc \right |) = P(Zo < \left | Zc \right |) = 1 - \frac{0.05}{2} = 0.975$

Therefore $\left | Zc \right | = 1.96$ FROM Z TABLE

C) significance level $\alpha = 0.10$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 1.65$ FROM Z TABLE

3 0

4 years ago

What is the distance between A(0,5) and B(5,- 7)?

mr Goodwill [35]

Its 17, because i made a graph

4 0

3 years ago

What’s the answer 10x^2 +1-x^2

mote1985 [20]

9x^2+1..............

6 0

3 years ago